Results 31 to 40 of about 11,814 (233)

The photoinhibition of malate dehydrogenase [PDF]

open access: yesFEBS Letters, 1972
Recently several enzymes which require FMN as a cofactor have been shown to be inhibited by blue light in the presence of added FMN [l-3] . Photoinactivation of the enzyme protein occurred via the formation of triplet FMN. The present paper reports, for the first time, an FMN-mediated photoinhibition of NAD-malate dehydrogenase, a key enzyme of the ...
openaire   +2 more sources

Photoinhibition of photosystem I [PDF]

open access: yesPhysiologia Plantarum, 2010
The photoinhibition of Photosystem I (PSI) drew less attention compared with that of Photosystem II (PSII). This could be ascribed to several reasons, e.g. limited combinations of plant species and environmental conditions that cause PSI photoinhibition, the non‐regulatory aspect of PSI photoinhibition, and methodological difficulty to determine the ...
openaire   +2 more sources

Single-cell microfluidics in combination with chlorophyll a fluorescence measurements to assess the lifetime of the Chlamydomonas PSBO protein

open access: yesPhotosynthetica, 2023
PSBO is an essential subunit of the oxygen-evolving complex and we recently demonstrated that its lifetime depends on environmental conditions in Chlamydomonas reinhardtii.
E. Széles   +7 more
doaj   +1 more source

Moderate Photoinhibition of Photosystem II Significantly Affects Linear Electron Flow in the Shade-Demanding Plant Panax notoginseng

open access: yesFrontiers in Plant Science, 2018
Although photoinhibition of photosystem II (PSII) frequently occurs under natural growing conditions, knowledge about the effect of moderate photoinhibition on linear electron flow (LEF) remains controversial.
Wei Huang, Shi-Bao Zhang, Tao Liu
doaj   +1 more source

Photoinhibition of Photosystem I Provides Oxidative Protection During Imbalanced Photosynthetic Electron Transport in Arabidopsis thaliana

open access: yesFrontiers in Plant Science, 2019
Photosynthesis involves the conversion of sunlight energy into stored chemical energy, which is achieved through electron transport along a series of redox reactions.
Yugo Lima-Melo   +8 more
doaj   +1 more source

Photoinhibition of comammox reaction in Nitrospira inopinata in a dose- and wavelength-dependent manner

open access: yesFrontiers in Microbiology, 2022
Apparent contribution of complete ammonia-oxidizing organisms (comammox) to the global nitrogen cycle highlights the necessity for understanding niche differentiation of comammox bacteria among other ammonia oxidizers. While the high affinity for ammonia
Ekaterina Y. Gottshall   +5 more
doaj   +1 more source

Seasonal, sex- and plant size-related effects on photoinhibition and photoprotection in the dioecious Mediterranean dwarf palm, Chamaerops humilis

open access: yesFrontiers in Plant Science, 2016
In Mediterranean-type ecosystems plants are exposed to several adverse environmental conditions throughout the year, ranging from drought stress during the warm and dry summers to chilling stress due to the typical drop in temperatures during winters ...
Melanie Morales   +2 more
doaj   +1 more source

The impact of light/dark regimes on structure and physiology of Chlorella vulgaris biofilms

open access: yesFrontiers in Microbiology, 2023
IntroductionBiofilm-based microalgae production technologies offer enormous potential for improving sustainability and productivity. However, the light pattern induced by these technologies is a key concern for optimization.MethodsIn this work, the ...
Yan Gao   +4 more
doaj   +1 more source

Proton-mediated photoprotection mechanism in photosystem II

open access: yesFrontiers in Plant Science, 2022
Photo-induced charge separation, which is terminated by electron transfer from the primary quinone QA to the secondary quinone QB, provides the driving force for O2 evolution in photosystem II (PSII).
Yu Sugo   +2 more
doaj   +1 more source

When and how does photoinhibition matter for plant fitness?

open access: yes, 2022
The many biophysical factors that shape how plant species sort across environmental gradients may include photoinhibition, which I define broadly as oxidative damage that plants and other phototrophs risk incurring when they absorb excess light energy ...
Shan Kothari
core   +1 more source

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